40145840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4217}}^1$

素因数の和:4254

約数の個数: 80

約数和(自身を含む): 112974912

約数和(自身を除く): 72829072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4217, 4760, 8434, 9520, 16868, 21085, 29519, 33736, 42170, 59038, 67472, 71689, 84340, 118076, 143378, 147595, 168680, 236152, 286756, 295190, 337360, 358445, 472304, 501823, 573512, 590380, 716890, 1003646, 1147024, 1180760, 1433780, 2007292, 2361520, 2509115, 2867560, 4014584, 5018230, 5735120, 8029168, 10036460, 20072920, 40145840]

約数ペア:

[(1, 40145840), (2, 20072920), (4, 10036460), (5, 8029168), (7, 5735120), (8, 5018230), (10, 4014584), (14, 2867560), (16, 2509115), (17, 2361520), (20, 2007292), (28, 1433780), (34, 1180760), (35, 1147024), (40, 1003646), (56, 716890), (68, 590380), (70, 573512), (80, 501823), (85, 472304), (112, 358445), (119, 337360), (136, 295190), (140, 286756), (170, 236152), (238, 168680), (272, 147595), (280, 143378), (340, 118076), (476, 84340), (560, 71689), (595, 67472), (680, 59038), (952, 42170), (1190, 33736), (1360, 29519), (1904, 21085), (2380, 16868), (4217, 9520), (4760, 8434)]